Home > Invertebrates > Shells > Tops & Turbans > Alcyna ocellata

Created 1/25/2026

Family Trochidae

EAST ASIA / HAWAII

Alcyna ocellata



Ewa, Oahu, 50 feet, 2mm

   

OCELLATED TOP

Common under encrusting red algae at any depth.  The fragile red or brown shell has a white core, variable patterns of white or brown, and the columella has a prominent tooth.  Attains 0.2 inch, 4 mm.  Occurs in Korea, Japan, and Hawaii.  Formerly known as Thalotia ocellata.